Thanks for your answers. There is no set number of letters. Still stuck on these: 501. Joy 506. Not a kiddie fiddler 510. Special letter quality. 538. Spanish thank you for Smith's Wealth of Nations...
Sorry about just putting the numbers. The cryptic clues all relate to bands or artists. I'm stuck on the following: 501. Joy 506. Not a kiddie fiddler 510. Special letter quality. 513. Marital gift...